Feature:
-Bluetooth Ver: No V5.0
-Speaker:10mm
-Microphone sensitivity:98±3dB
-System Frequency Response:20Hz-20KHz
-Battery :100mAh(Polymer Lithium Battery)
-Charging port:Type-c
-Charging time:1.5H
-Play time: 50% volume about 10H
-Talk time: about 5 hours
-Product weight: about 22g